Windows 7 integrates Windows media player 12 as default media player, still Windows media player 12 is not released officially for Windows Vista and Windows XP operating system.

misaki2009 from deviantart extracted Windows Media Player 12.0.7000.7000 original files from Windows 7 Build 7000 and explained how to install for vista.

Steps to install Windows Media Player 12 for Windows Vista

Download Extracted  Windows Media Player 12 from deviantart.

Extract the downloaded Windows Media Player and replace files mentioned below in the following path.

• copy wmploc.dll in C:WindowsSystem32
• copy Windows Media Player folder to C:Program Files

Note : This works only in Windows Vista operating system